CN103230786B - A kind of regenerating active carbon adsorbent equipment and technique thereof - Google Patents
A kind of regenerating active carbon adsorbent equipment and technique thereof Download PDFInfo
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Abstract
The present invention relates to a kind of regenerating active carbon adsorbent equipment, be made up of adsorption tower system, energy system and tail gas absorbing system; During the operation of waste water adsorption treatment, waste water squeezes into adsorption tower system water inlet water distributor by pump, flows into active carbon bed via gripper shoe, and water outlet imports outlet pipe from baffle plate outflow and discharges; Open power generator during regeneration process, act on active carbon bed by energy probe, the steam of generation is discharged by from gas vent, discharges via after tail gas absorber and gas adsorption column.The present invention has that structure is simple, security good, easy to operate, be convenient to the features such as amplification, overcome in existing regeneration techniques that energy dissipation area is large, energy consumption is high, capacity usage ratio is low, charcoal loss is large, the recovery time is long, regeneration efficiency is low, produce the deficiencies such as secondary pollution.
Description
Technical field:
The present invention relates to energy-saving environmental protection device and technique thereof, specifically the regenerating active carbon adsorbent equipment of high, the non-secondary pollution of a kind of compact conformation, low consumption, low cost, capacity usage ratio and technique thereof, belong to charcoal absorption regeneration techniques and device field.
Background technology:
Along with the fast development of modern industry, people face the common concern that more serious environmental pollution, particularly water pollution and atmosphere pollution have caused world.Meanwhile, improving constantly and the continuous enhancing of environmental consciousness of people's living standard, makes the requirement of people to water quality and air quality more and more strict.Active carbon as a kind of excellent adsorbent, because it has flourishing pore structure, huge specific area, excellent absorption property and equipment simple, easy to operate, the feature such as renewable and be widely used in the purified treatment of water and air, and achieve satisfied effect.Meanwhile, the consumption of active carbon also increases sharply, and by the end of the year 1997, World Activated Carbon consumption will reach 650,000 t; And by 2004, more than 700,000 t, and with annual 15% speed increase.There is the problems such as use amount is large, valency is high, recycling difficulty is large in active carbon, therefore, seriously constrain the extensive use of active carbon in pollution control in pollution control runs.
Adsorb saturated active carbon process if do not carried out and recycle, not only can cause the waste of resource, also can cause secondary pollution to environment, significantly limit the application of active carbon in every field, practice at home and abroad proves, the economy of renovation process becomes the Main Bottleneck of this method of restriction in field of environment engineering extensive use more.At present, domestic and international active carbon regenerating technology mainly contains thermal regeneration method, chemicals method of reproduction, bio-regeneration method, electrochemical regeneration method, Photocatalytic Regeneration method, supercritical extract method of reproduction and ultrasonic regeneration method etc.But usually there is following defect in traditional active carbon regenerating technology such as thermal regeneration method, chemicals solvent regeneration process and bio-regeneration method etc.: in (1) regenerative process, active carbon loss is often larger; (2) after regeneration, activated carbon adsorptive capacity obviously declines; (3) secondary pollution is caused during regeneration; (4) required time is regenerated long.And emerging active carbon regenerating technology as electrochemical regeneration method, supercritical fluid method of reproduction, catalytic wet air oxidation, ultrasonic regeneration method etc. because its regenerated energy utilization rate is low, complicated operation, high in cost of production problem and be difficult to realize industrial applications.
Prior art and device; as ZL200720093194.X; name is called combustion gas type granulated activated charcoal regeneration rotary kiln; and ZL200520047681.3; name is called electric power directly-heated type rotary furnace (interior pattern of fever) active carbon regenerating unit; its advantage is that structure is simple, few easy workout part, the thermal efficiency are high, automaticity is high, and shortcoming to produce secondary pollution, and impact is applied.
Prior art and device, as CN101073766A, name is called technology for regenerating active carbon by supersonic desorptive activation, and this technological merit is that low energy consumption, cost are low etc., and shortcoming is only effective to the regeneration of active carbon physical absorption, and industrial application is restricted.
Prior art and device, as ZL200410020410.9, name is called the renovation process with organic active carbon in microwave irradiation resolution process absorption waste water, advantage is that low energy consumption, non-secondary pollution, recovery time are short etc., shortcoming is that energy dissipation face is large, by the restriction that microwave energy amplifies, affect industrialization and amplify.
To sum up, existing active carbon regenerating technology and device are applied to maturely in suitability for industrialized production and are still mainly high-temperature heating regeneration, and ubiquity can produce secondary pollution problems; And emerging active carbon regenerating technology and device are still in the experimental study stage, there is certain technical bottleneck in industrialization amplification.Therefore, no matter consider from economic benefit or from environmental angle, seek efficient, fast, the regeneration techniques that amplifies of non-secondary pollution, easily industrialization and device have great importance.
Summary of the invention:
The object of the present invention is to provide a kind of collection charcoal absorption-regeneration-adsorption operations to be that one is overall, capacity usage ratio is high, efficient quick, non-secondary pollution, structure simple and flexible, security good, easy-operating efficient low-consume type regenerating active carbon adsorbent equipment, another object of the present invention is to provide a kind of said apparatus that utilizes for the absorption regeneration treatment process of active carbon to waste water.
Technical solution of the present invention is: a kind of regenerating active carbon adsorbent equipment, it is characterized in that this device is formed primarily of adsorption tower system A, energy system B and tail gas absorbing system C; Wherein adsorption tower system A is made up of adsorption tower outer sleeve 4, water inlet water distributor 2, gripper shoe 3, active carbon bed 5, baffle plate 6, outlet pipe 7, first cover plate 8, wherein adsorption tower outer sleeve 4] bottom be provided with drain 1, in adsorption tower outer sleeve 4, drain 1 is provided with into water water distributor 2, gripper shoe 3 has been provided with above water inlet water distributor 2, gripper shoe 3 is equipped with active carbon bed 5, adsorption tower outer sleeve 4 top is provided with baffle plate 6, the top of baffle plate 6 sets out water pipe 7, adsorption tower outer sleeve 4 top is provided with the first cover plate 8, first cover plate 8 and is provided with gas vent 12; Energy system B is made up of energy probe 16, energy probe protection sleeve 15, energy conduit 17 and power generator 18, wherein energy probe 16 is placed in energy probe protection sleeve 15, energy probe 16 is connected with power generator 18 by energy conduit 17, energy probe protection sleeve 15 is through the first cover plate 8] be placed in adsorption tower outer sleeve 4, energy probe protection sleeve 15 top is provided with the second cover plate 9; Tail gas absorbing system C is made up of the tail gas absorber 19 be connected with gas vent 12 and gas adsorption column 20.
Be provided with thermocouple 10 in adsorption tower outer sleeve 4, thermocouple 10 is connected with temperature-shrink crack 11; Gas vent 12 is connected with shower nozzle 14 by Pneumatic safety valve 13.
Preferred water inlet water distributor 2] from the distance bottom adsorption tower outer sleeve 4 be 10 ~ 20cm; Gripper shoe 3 is 10 ~ 20cm from the distance of water inlet water distributor 2; The height of active carbon bed 5 is from adsorption tower outer sleeve 4 total height 1/2 ~ 3/4; Outlet pipe 7] from the distance of baffle plate 6 be 10 ~ 20cm; First cover plate 8 is 10 ~ 20cm from the distance of outlet pipe 7; Energy probe protection sleeve 15 is 10 ~ 15cm from the height of gripper shoe 3; Energy probe 16 is 5 ~ 10cm from the bottom of energy probe protection sleeve 15.
The material of preferred adsorption tower outer sleeve 4 is the carbon steel of stainless steel or inner liner rubber; The material of energy probe protection sleeve 15 is Inorganic Non-metallic Materials; Gripper shoe 3 is made up of lower floor's steel wire and upper strata water distributing plate, steel wire is supporter, and thick is 5-15mm, and the pop one's head in material of protection sleeve 15 of upper strata water distributing plate material and energy matches, thick is 3-15mm, water distributing plate plate face, upper strata is evenly processed with the aperture of Φ 0.1-2mm; Water inlet water distributor [2] is annular, and its water distribution mouth down; The material of baffle plate 6 and the upper strata water distributing plate material of gripper shoe 3 match, and thick is 3-10mm, baffle plate [6] is evenly processed with the aperture of Φ 0.1-2mm; Outlet pipe 7 is annular; Gas vent 12 is communicated with Pneumatic safety valve 13 and shower nozzle 14, and the hole diameter of shower nozzle 14 is 0.1-2mm, is positioned at the bottom of gas vent 12.
First cover plate 8, baffle plate [6] and adsorption tower outer sleeve [4] are by bolted.Provide conveniently for loading and unloading sorbing material flexibly.
In the present invention, energy emission is built-in radiation, pop one's head in through introducing energy by energy conduit by after power generator produce power, by energy pop one's head in radiation, penetrate, dissemination in active carbon bed, energy conduit is furnished with condensation sleeve pipe, power generator power continuously adjustabe.Power generator 18 is light-wave energy combination, collaborative generator, and wherein light is electrodeless ultraviolet light, and ripple is microwave.(see the article Zhu Jun etc. that this seminar delivers, micro-wave nonpolar ultraviolet technology treatment of Nitrobenzene simulated wastewater, Nanjing Aero-Space University's journal, 2010)
Present invention also offers and a kind ofly utilize above-mentioned regenerating active carbon adsorbent equipment to be applied to the absorption regeneration treatment process of active carbon to waste water, when the steps include: that waste water adsorption treatment operates, waste water is squeezed into into water water distributor 2 by pump, aperture via gripper shoe 3 flows into active carbon bed 5, and water outlet imports outlet pipe 7 from baffle plate 6 outflow and discharges; Power generator 18 is opened during regeneration process operation, energy probe 16 is introduced via energy conduit 17, by energy pop one's head in 16 radiation, penetrate, dissemination is in active carbon bed 5, the steam produced in regenerative process is controlled to discharge from gas vent 12 by Pneumatic safety valve 13 automatically, discharges via after tail gas absorber 19 and gas adsorption column 20; Concrete steps are as follows:
A) by adsorption treatment active carbon by after turning on cover plate 8, baffle plate 6 and the bolt of adsorption tower outer sleeve 4, load in the gripper shoe 3 in adsorption tower outer sleeve 4;
B) waste water is promoted the active carbon bed 5 entered through water inlet water distributor 2, gripper shoe 3 in adsorption tower outer sleeve 4 by pump;
C) waste water flows out through outlet pipe 7 after adsorption treatment, the sampling of outlet pipe 7 exit detects, when water outlet cannot meet discharge standard, close water inlet water distributor 2 valve, open drain 1, discharge waste water in adsorption tower sleeve to circulate to water inlet storage tank, quality of activated carbon moisture control is 10%-80%, closes drain valve;
D) power switch of power generator 18 is opened, according to different adsorbed materials composition and situation, the suitable recovery time is set, regulating power, 16 are popped one's head in through being introduced energy by energy conduit 17 by after power generator 18 produce power, by energy pop one's head in 16 radiation, penetrate, dissemination in active carbon bed 5, carry out regenerating active carbon process, the steam produced in regenerative process is discharged by gas vent 12; Via tail gas absorber 19, absorption and gas adsorption column 20 process rear discharge further successively;
After the recovery time of e) setting to be achieved, power generator 18 stops reproduction operation automatically, carries out adsorption treatment.
Preferably described active carbon is graininess, its granularity is 0.3-5mm, according to the waste of active carbon in absorption, regeneration process, a certain amount of supplementing is carried out to active carbon, magnitude of recruitment and prolongation determine according to handling object and regeneration times, general magnitude of recruitment is the 1%-15% of original activity charcoal amount, the prolongation be cyclic regeneration every 5-20 time, add by after the bolt turning on cover plate, baffle plate and adsorption tower outer sleeve; Wherein added energy work rate continuously adjustabe, preferred energy generator 18 power continuously adjustabe, power is 0.5-200kW; Now active carbon absorbs energy, rapid heat temperature raising, adsorbed material is under energy, be activated in active carbon bed, rapid oxidation is also gone out duct by steam zone and sprays, thus effectively clear up active carbon duct, the effect that the efficient desorption and regeneration fast reaching active carbon also activates, preferred regeneration treatment time is 5-40min; The steam produced in regenerative process is discharged from gas vent, successively via tail gas absorber absorb further with the process of gas adsorption column after discharge, absorbing liquid is sodium hydroxide solution, and concentration is 1% ~ 5%(mass percent); Energy conduit 17 and energy probe 16 are flexible rotating formula, can process for two covers or many cover regenerative sorption devices, when treating capacity is large, many cover regenerating active carbon adsorbent equipments can be adopted to be operated in parallel, be easy to industry and amplify application.
Beneficial effect:
1, regenerating active carbon adsorbent equipment has that cost is low, reduced investment, apparatus structure are simple, easy to operate, overcomes conventional regeneration and there is the problems such as cost of transportation is high, complex process, complex operation.
2, the power generator adopted be convenient to control, start generator, energy namely by energy conduit introduce energy probe, by energy pop one's head in radiation, penetrate, dissemination in active carbon bed, active carbon is rapidly by desorption and regeneration process.Energy conduit is furnished with condensation sleeve pipe, effectively prevents conduit mid-winter, the service life of elongate catheter.
3, the power generator adopted is light-wave energy combination, collaborative generator, is beneficial to the strengthening of energy in regenerative process and works in coordination with regeneration effect.
4, the recovery time is short, and regeneration efficiency is high.The energy adopted can make adsorbed material rapidly and efficiently desorption simultaneous oxidation decompose, exacerbate the molecular motion of adsorbed material, thus reach the effect making the quick desorption oxidation of adsorbate, the moisture rapid vaporization of active carbon inside forms the duct of water vapour ejection active carbon, takes the material of oxidized decomposition out of, effectively clear up active carbon duct while water vapour ejection, recovery time is short, speed is fast, and thoroughly, charcoal absorption performance recovery extent is high in regeneration.
5, easily amplify flexibly.Energy introduces adsorption tower body centre by energy conduit, and energy conduit and energy probe are flexible rotating formula, is easy to control, amplify.
6, capacity usage ratio is high.The energy probe adopted is built-in radiation probe, and regenerating system is wrapped in built-in energy probe protection sleeve surrounding completely, and there is not dissipation of energy face, energy is uses efficiently.
7, active carbon bed not easily hardens.In adsorption process, wastewater streams is to being bottom in and top out type, has both avoided the short circuit phenomenon of adsorption process, effectively prevent again hardening of active carbon bed, improves the adsorption efficiency of active carbon, eliminates backwash operation unit.
8, non-secondary pollution is regenerated.When device carries out regeneration process to active carbon, oxidized decomposition while the quick desorption of adsorbed material, regeneration is thorough, non-secondary pollution.
9, charcoal loss is few.Regenerative process is without the need to passing into carrier gas, and the recovery time is short, and between active carbon, rubbing action probability is low, greatly reduces the mechanical loss of active carbon.
10, active carbon is almost without loss loss.Device is provided with baffle plate, effectively prevent active carbon and is taken out of by current, air-flow; Gas vent lower end is provided with shower nozzle, effectively prevent active carbon further and is taken out of by air-flow.
11, equipment safety is good.Device is provided with automatic linkage feedback alarm system, automatically closes power generator when damage and accident conditions occur.
12, apparatus structure compact, be convenient to industry amplify.
In a word, the present invention is a kind of efficient regenerating active carbon adsorbent equipment and waste water adsorption treatment method thereof, achieve charcoal absorption-regeneration-adsorption operations systematization, apparatus structure is simple, security good, easy to operate, be convenient to amplify, overcome in existing regeneration techniques that energy dissipation area is large, energy consumption is high, capacity usage ratio is low, charcoal loss is large, the recovery time is long, regeneration efficiency is low, produce the deficiencies such as secondary pollution.
Accompanying drawing illustrates:
Fig. 1 is that regenerating active carbon adsorbent equipment of the present invention faces cross-sectional view;
In figure: A, adsorption tower system, B, energy system, C, tail gas absorbing system; 1, drain, 2, water inlet water distributor, 3, gripper shoe; 4, adsorption tower outer sleeve, 5, active carbon bed, 6, baffle plate; 7, outlet pipe; 8, the first cover plate, the 9, second cover plate, 10, thermocouple; 11, temperature-shrink crack; 12, gas vent, 13, Pneumatic safety valve, 14, shower nozzle; 15, energy probe protection sleeve; 16, energy probe, 17, energy conduit, 18, power generator; 19, tail gas absorber, 20, gas absorption post.
Detailed description of the invention:
Embodiment 1
Regenerating active carbon adsorbent equipment faces cross-sectional view as shown in Figure 1: form primarily of adsorption tower system A, energy system B and tail gas absorbing system C.Wherein adsorption tower system A is made up of adsorption tower outer sleeve 4, water inlet water distributor 2, gripper shoe 3, active carbon bed 5, baffle plate 6, outlet pipe 7, first cover plate 8, second cover plate 9, thermocouple 10 is provided with in adsorption tower outer sleeve 4, thermocouple 10 is connected with temperature-shrink crack 11, and gas vent 12, Pneumatic safety valve 13 and shower nozzle 14 are connected to form; Energy system B is made up of energy probe 16, energy probe protection sleeve 15, energy conduit 17 and power generator 18, wherein energy probe 16 is placed in energy probe protection sleeve 15, energy probe 16 is connected with power generator 18 by energy conduit 17, energy probe protection sleeve 15 is through the first cover plate 8] be placed in adsorption tower outer sleeve 4, energy probe protection sleeve 15 top is provided with the second cover plate 9; Tail gas absorbing system C is made up of the tail gas absorber 19 be connected with gas vent 12 and gas adsorption column 20.Drain 1 is provided with in the bottom of adsorption tower system A, having into water water distributor 2 from 20cm place, bottom, above water inlet water distributor 2, there is gripper shoe 3 at 20cm place, the height of active carbon bed 5 is 1/2 of adsorption tower sleeve 4 total height, the top of active carbon bed 5 is provided with baffle plate 6, having outlet pipe 7 from baffle plate 620cm place, is the first cover plate 8 at 20cm place above outlet pipe 7.Energy probe protection sleeve 15 is 15cm from the height of gripper shoe 3, and energy probe 16 is 10cm from the bottom of energy probe protection sleeve 15.Outer sleeve material is stainless steel, internal diameter 900mm, high 1600mm; Built-in energy equipment material is special inorganic nonmetallic materials, internal diameter 250mm, high 1050mm; Gripper shoe steel wire and water distribution thickness of slab are respectively 5mm, 3mm, water distributing plate are evenly processed with the water distribution aperture of Φ 0.1mm; Baffle plate is thick is 3mm, baffle plate is evenly processed with the aperture of Φ 0.1mm; Shower nozzle hole diameter 0.1mm.Regeneration process operation time regenerated energy occurred by power generator 18, via energy conduit 17 introduce energy probe 16, by energy pop one's head in 16 radiation, penetrate, dissemination in reaction system, energy emission is built-in radiation, power continuously adjustabe.Active carbon loads and draws off opens cover plate realization by loosering a bolt, and the absorbing liquid of tail gas absorber is diluted sodium hydroxide solution.
Embodiment 2
Regenerating active carbon adsorbent equipment is formed primarily of adsorption tower system A, energy system B and tail gas absorbing system C.Wherein adsorption tower system A is made up of adsorption tower outer sleeve 4, water inlet water distributor 2, gripper shoe 3, active carbon bed 5, baffle plate 6, outlet pipe 7, cover plate 8, second cover plate 9, thermocouple 10 is provided with in adsorption tower outer sleeve 4, thermocouple 10 is connected with temperature-shrink crack 11, and gas vent 12, Pneumatic safety valve 13 and shower nozzle 14 are connected to form; Energy system B is made up of energy probe 16, energy probe protection sleeve 15, energy conduit 17 and power generator 18, wherein energy probe 16 is placed in energy probe protection sleeve 15, energy probe 16 is connected with power generator 18 by energy conduit 17, energy probe protection sleeve 15 is through cover plate 8] be placed in adsorption tower outer sleeve 4, energy probe protection sleeve 15 top is provided with the second cover plate 9; Tail gas absorbing system C is made up of the tail gas absorber 19 be connected with gas vent 12 and gas adsorption column 20.Drain 1 is provided with in the bottom of adsorption tower system A, having into water water distributor 2 from 10cm place, bottom, above water inlet water distributor 2, there is gripper shoe 3 at 10cm place, the height of active carbon bed 5 is 3/4 of adsorption tower sleeve 4 total height, the top of active carbon bed 5 is provided with baffle plate 6, having outlet pipe 7 from baffle plate 610cm place, is cover plate 8 at 10cm place above outlet pipe 7.Energy probe protection sleeve 15 is 10cm from the height of gripper shoe 3, and energy probe 16 is 5cm from the bottom of energy probe protection sleeve 15.Outer sleeve material is the carbon steel of inner liner rubber, internal diameter 900mm, high 1600mm; Built-in energy equipment material is special inorganic nonmetallic materials, internal diameter 400mm, high 1300mm; Gripper shoe steel wire and water distribution thickness of slab are respectively 15mm, 15mm, water distributing plate are evenly processed with the water distribution aperture of Φ 2mm; Baffle plate is thick is 10mm, baffle plate is evenly processed with the aperture of Φ 2mm; Shower nozzle hole diameter 2mm.During regeneration process operation, regenerated energy is occurred by power generator [18], energy probe [16] is introduced via energy conduit [17], by energy probe [16] radiation, penetrate, dissemination in reaction system, energy emission is built-in radiation, power continuously adjustabe.Active carbon loads and draws off opens cover plate realization by loosering a bolt, and the absorbing liquid of tail gas absorber is diluted sodium hydroxide solution.
Embodiment 3
Adopt a set of regenerating active carbon adsorbent equipment (as embodiment 1) to the charcoal absorption regeneration process of simulation high concentration phenol waste water
Adopt the high concentration simulation phenolic waste water of 1500mg/L, require that aqueous concentration is lower than 150mg/L after the process of regenerating active carbon adsorption device adsorbs, after regeneration, charcoal absorption capacity restoration is to more than 85% of its initial value.Adopt the regenerating active carbon adsorbent equipment in the embodiment of the present invention 1 to carry out the adsorption-regeneration-adsorption treatment experiment of phenol synthetic water, its step comprises:
A) fill active carbon, active carbon adopts cocoanut active charcoal, and granularity is 8 ~ 14 orders, and active carbon filling height is 800mm;
B) adsorption treatment, simulated wastewater is promoted the active carbon bed 5 entered through water inlet water distributor 2, gripper shoe 3 in adsorption tower outer sleeve 4 by pump, after charcoal absorption, import outlet pipe 7 flow out by baffle plate 6.When detecting that water concentration is 150mg/L in delivery port sampling, closing inlet valve, stopping water inlet, open drain [1] place valve, waste water in sleeve is discarded in intake chamber as far as possible and carries out circular treatment;
C) regeneration process, start power generator 18, selection power is 500W, regeneration treatment time is 40min, the steam produced in regeneration process, after steam pressure reaches 1.60Mpa, safety valve [13] opens pressure release automatically, steam discharges after tail gas absorber 19 and gas adsorption column 20, and tail gas absorption liquid is concentration is 1%(mass percent) sodium hydroxide solution;
D) repeatedly carry out step b), c) operate, continuous adsorption-regenerative operation 12 times;
E) carry out regeneration effect evaluation, the time of break-through of each absorption is all at about 160min.New active carbon and the active carbon after regenerating 12 times are carried out to the mensuration of Pyrogentisinic Acid's adsorption capacity, iodine number, specific area, after regenerating 12 times, Pyrogentisinic Acid's adsorption capacity increases to 142mg/g by 138mg/g; Iodine number increases to 1015.3mg/g by 986.5mg/g; Specific area is by 994.6m
2/ g increases to 1018.2m
2/ g.After testing, the gas of floss hole does not have poisonous and harmful substance to be detected.
Embodiment 4
Adopt a set of regenerating active carbon adsorbent equipment (as embodiment 2) to the charcoal absorption regeneration process of coking wastewater biochemical tail water.
The COD concentration of coking chemical waste water biochemical tail water is 800mg/L, requires that effluent COD concentration is lower than 80mg/L after the process of regenerating active carbon adsorption device adsorbs, and after regeneration, charcoal absorption capacity restoration is to more than 85% of its initial value.Adopt the regenerating active carbon adsorbent equipment in the embodiment of the present invention 1 to carry out the adsorption-regeneration-adsorption treatment experiment of coking chemical waste water biochemical tail water, its step comprises:
A) fill active carbon, active carbon adopts cocoanut active charcoal, and granularity is 8 ~ 14 orders, and active carbon filling height is 1200mm;
B) adsorption treatment, coking chemical waste water biochemical tail water is promoted the active carbon bed 5 entered through water inlet water distributor 2, gripper shoe 3 in adsorption tower outer sleeve 4 by pump, after charcoal absorption, import outlet pipe 7 flow out by baffle plate 6.When detecting that water concentration is 80mg/L in delivery port sampling, closing inlet valve, stopping water inlet, open drain 1 place valve, waste water in sleeve is discarded in intake chamber as far as possible and carries out circular treatment;
C) regeneration process, start power generator [18], selection power is 200kW, regeneration treatment time is 5min, the steam produced in regeneration process, after steam pressure reaches 1.60Mpa, safety valve 13 opens pressure release automatically, steam discharges after tail gas absorber 19 and gas adsorption column 20, and tail gas absorption liquid is concentration is 5%(mass percent) sodium hydroxide solution;
D) repeatedly carry out step b), c) operate, continuous adsorption-regenerative operation 10 times;
E) carry out regeneration effect evaluation, the time of break-through of each absorption is all at about 160min.New active carbon and the active carbon after regenerating 10 times are carried out to the mensuration of adsorption capacity, iodine number, specific area, after regenerating 10 times, adsorption capacity becomes 135mg/g from 138mg/g; Iodine number becomes 1003.5mg/g from 986.5mg/g; Specific area is by 994.6m
2/ g increases to 1010.7m
2/ g.After testing, the gas of floss hole does not have poisonous and harmful substance to be detected.
Claims (8)
1. a regenerating active carbon adsorbent equipment, is characterized in that this device is formed primarily of adsorption tower system [A], energy system [B] and tail gas absorbing system [C], wherein adsorption tower system [A] is by adsorption tower outer sleeve [4], water inlet water distributor [2], gripper shoe [3], active carbon bed [5], baffle plate [6], outlet pipe [7], first cover plate [8] forms, wherein adsorption tower outer sleeve [4] bottom is provided with drain [1], adsorption tower outer sleeve [4] interior drain [1] is provided with into water water distributor [2], water inlet water distributor [2] top is provided with gripper shoe [3], gripper shoe [3] is equipped with active carbon bed [5], adsorption tower outer sleeve [4] top is provided with baffle plate [6], the top of baffle plate [6] sets out water pipe [7], adsorption tower outer sleeve [4] top is provided with the first cover plate [8], first cover plate [8] is provided with gas vent [12], energy system [B] is popped one's head in [16] by energy, energy is popped one's head in, and protection sleeve [15], energy conduit [17] and power generator [18] form, wherein energy probe [16] is placed in energy probe protection sleeve [15], energy probe [16] is connected with power generator [18] by energy conduit [17], energy probe protection sleeve [15] is placed in adsorption tower outer sleeve [4] through the first cover plate [8], and energy probe protection sleeve [15] top is provided with the second cover plate [9], tail gas absorbing system [C] is made up of the tail gas absorber [19] be connected with gas vent [12] and gas adsorption column [20], wherein power generator [18] is light-wave energy combination, collaborative generator, and wherein light is electrodeless ultraviolet light, and ripple is microwave.
2. device according to claim 1, it is characterized in that being provided with thermocouple [10] in adsorption tower outer sleeve [4], thermocouple [10] is connected with temperature-shrink crack [11]; Gas vent [12] is connected with shower nozzle [14] by Pneumatic safety valve [13].
3. device according to claim 1, is characterized in that the distance of the bottom into water water distributor [2] from adsorption tower outer sleeve [4] is 10 ~ 20cm; Gripper shoe [3] is 10 ~ 20cm from the distance of water inlet water distributor [2]; The height of active carbon bed [5] is from adsorption tower outer sleeve [4] total height 1/2 ~ 3/4; Outlet pipe [7] is 10 ~ 20cm from the distance of baffle plate [6]; First cover plate [8] is 10 ~ 20cm from the distance of outlet pipe [7]; Energy probe protection sleeve [15] is 10 ~ 15cm from the height of gripper shoe [3]; Energy probe [16] is 5 ~ 10cm from the bottom of energy probe protection sleeve [15].
4. device according to claim 1, is characterized in that the material of adsorption tower outer sleeve [4] is the carbon steel of stainless steel or inner liner rubber; The material of energy probe protection sleeve [15] is Inorganic Non-metallic Materials; Gripper shoe [3] is made up of lower floor's steel wire and upper strata water distributing plate, steel wire is supporter, and thick is 5-15mm, and the pop one's head in material of protection sleeve [15] of upper strata water distributing plate material and energy matches, thick is 3-15mm, water distributing plate plate face, upper strata is evenly processed with the aperture of Φ 0.1-2mm; Water inlet water distributor [2] is annular, and its water distribution mouth down; The material of baffle plate [6] and the upper strata water distributing plate material of gripper shoe [3] match, and thick is 3-10mm, baffle plate [6] is evenly processed with the aperture of Φ 0.1-2mm; Outlet pipe [7] is annular; Gas vent [12] is communicated with Pneumatic safety valve [13] and shower nozzle [14], and the hole diameter of shower nozzle [14] is 0.1-2mm, is positioned at the bottom of gas vent [12].
5. device according to claim 1, is characterized in that the first cover plate [8], baffle plate [6] and adsorption tower outer sleeve [4] are by bolted.
6. utilize regenerating active carbon adsorbent equipment as claimed in claim 1 to be applied to the absorption regeneration treatment process of active carbon to waste water, concrete steps are as follows:
A) by adsorption treatment active carbon by after the bolt of turning on the first cover plate [8], baffle plate [6] and adsorption tower outer sleeve [4], load in the gripper shoe [3] in adsorption tower outer sleeve [4];
B) waste water is promoted by pump and enters active carbon bed [5] in adsorption tower outer sleeve [4] through water inlet water distributor [2], gripper shoe [3];
C) waste water flows out through outlet pipe [7] after adsorption treatment, the sampling of outlet pipe [7] exit detects, when water outlet cannot meet discharge standard, close water inlet water distributor [2] valve, open drain [1], discharge waste water in adsorption tower sleeve to circulate to water inlet storage tank, quality of activated carbon moisture control is 10%-80%, closes drain valve;
D) power switch of power generator [18] is opened, according to different adsorbed materials composition and situation, arranging the recovery time is 5-40min, regulating power is 0.5-200kW, [16] are popped one's head in through introducing energy by energy conduit [17] by after power generator [18] produce power, by [16] radiation of energy probe, penetrate, dissemination is in active carbon bed [5], carry out regenerating active carbon process, the steam produced in regenerative process is discharged by gas vent [12]; Absorb further and discharge after gas adsorption column [20] process via tail gas absorber [19] successively;
After the recovery time of e) setting to be achieved, power generator [18] stops reproduction operation automatically, carries out adsorption treatment.
7. technique according to claim 6, it is characterized in that active carbon is graininess, its granularity is 0.3-5mm.
8. technique according to claim 6, the absorbing liquid that it is characterized in that in tail gas absorber [19] to be mass percentage concentration be 1% ~ 5% sodium hydroxide solution.
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| CN104128170A (en) * | 2014-08-05 | 2014-11-05 | 昆明理工大学 | Method for activation and regeneration of waste active carbon special for petrochemical wastewater processing |
| CN104332083B (en) * | 2014-10-31 | 2016-08-17 | 徐州工程学院 | Adsorbent regeneration apparatus for demonstrating and demenstration method thereof |
| KR101672728B1 (en) * | 2015-05-26 | 2016-11-04 | 이상훈 | Improved Large Capacity Water Treatment Apparatus For Regenerating Activated Carbon |
| CN105668688A (en) * | 2016-03-24 | 2016-06-15 | 中国科学院生态环境研究中心 | Activated carbon treatment system for acetone wastewater |
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